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<div class="subTitle">com.drew.metadata</div>
<h2 title="Class Metadata" class="title">Class Metadata</h2>
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<pre>public final class <span class="strong">Metadata</span>
extends java.lang.Object</pre>
<div class="block">A top-level object to hold the various types of metadata (Exif/IPTC/etc) related to one entity (such as a file
 or stream).
 <p/>
 Metadata objects may contain zero or more directories.  Each directory may contain zero or more tags with
 corresponding values.</div>
<dl><dt><span class="strong">Author:</span></dt>
  <dd>Drew Noakes http://drewnoakes.com</dd></dl>
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<td class="colOne"><code><strong><a href="../../../com/drew/metadata/Metadata.html#Metadata()">Metadata</a></strong>()</code>&nbsp;</td>
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<td class="colFirst"><code>boolean</code></td>
<td class="colLast"><code><strong><a href="../../../com/drew/metadata/Metadata.html#containsDirectory(java.lang.Class)">containsDirectory</a></strong>(java.lang.Class&lt;? extends <a href="../../../com/drew/metadata/Directory.html" title="class in com.drew.metadata">Directory</a>&gt;&nbsp;type)</code>
<div class="block">Indicates whether a given directory type has been created in this metadata
 repository.</div>
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<td class="colFirst"><code>java.lang.Iterable&lt;<a href="../../../com/drew/metadata/Directory.html" title="class in com.drew.metadata">Directory</a>&gt;</code></td>
<td class="colLast"><code><strong><a href="../../../com/drew/metadata/Metadata.html#getDirectories()">getDirectories</a></strong>()</code>
<div class="block">Returns an objects for iterating over Directory objects in the order in which they were added.</div>
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<td class="colFirst"><code>&lt;T extends <a href="../../../com/drew/metadata/Directory.html" title="class in com.drew.metadata">Directory</a>&gt;&nbsp;<br>T</code></td>
<td class="colLast"><code><strong><a href="../../../com/drew/metadata/Metadata.html#getDirectory(java.lang.Class)">getDirectory</a></strong>(java.lang.Class&lt;T&gt;&nbsp;type)</code>
<div class="block">If this <code>Metadata</code> object contains a <code>Directory</code> of the specified type, it is returned.</div>
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<td class="colFirst"><code>int</code></td>
<td class="colLast"><code><strong><a href="../../../com/drew/metadata/Metadata.html#getDirectoryCount()">getDirectoryCount</a></strong>()</code>
<div class="block">Returns a count of unique directories in this metadata collection.</div>
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<td class="colFirst"><code>&lt;T extends <a href="../../../com/drew/metadata/Directory.html" title="class in com.drew.metadata">Directory</a>&gt;&nbsp;<br>T</code></td>
<td class="colLast"><code><strong><a href="../../../com/drew/metadata/Metadata.html#getOrCreateDirectory(java.lang.Class)">getOrCreateDirectory</a></strong>(java.lang.Class&lt;T&gt;&nbsp;type)</code>
<div class="block">Returns a <code>Directory</code> of specified type.</div>
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<td class="colFirst"><code>boolean</code></td>
<td class="colLast"><code><strong><a href="../../../com/drew/metadata/Metadata.html#hasErrors()">hasErrors</a></strong>()</code>
<div class="block">Indicates whether any errors were reported during the reading of metadata values.</div>
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<h3>Methods inherited from class&nbsp;java.lang.Object</h3>
<code>clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait</code></li>
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<h4>Metadata</h4>
<pre>public&nbsp;Metadata()</pre>
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<h4>getDirectories</h4>
<pre>public&nbsp;java.lang.Iterable&lt;<a href="../../../com/drew/metadata/Directory.html" title="class in com.drew.metadata">Directory</a>&gt;&nbsp;getDirectories()</pre>
<div class="block">Returns an objects for iterating over Directory objects in the order in which they were added.</div>
<dl><dt><span class="strong">Returns:</span></dt><dd>an iterable collection of directories</dd></dl>
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<h4>getDirectoryCount</h4>
<pre>public&nbsp;int&nbsp;getDirectoryCount()</pre>
<div class="block">Returns a count of unique directories in this metadata collection.</div>
<dl><dt><span class="strong">Returns:</span></dt><dd>the number of unique directory types set for this metadata collection</dd></dl>
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<h4>getOrCreateDirectory</h4>
<pre>public&nbsp;&lt;T extends <a href="../../../com/drew/metadata/Directory.html" title="class in com.drew.metadata">Directory</a>&gt;&nbsp;T&nbsp;getOrCreateDirectory(java.lang.Class&lt;T&gt;&nbsp;type)</pre>
<div class="block">Returns a <code>Directory</code> of specified type.  If this <code>Metadata</code> object already contains
 such a directory, it is returned.  Otherwise a new instance of this directory will be created and stored within
 this Metadata object.</div>
<dl><dt><span class="strong">Parameters:</span></dt><dd><code>type</code> - the type of the Directory implementation required.</dd>
<dt><span class="strong">Returns:</span></dt><dd>a directory of the specified type.</dd></dl>
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<h4>getDirectory</h4>
<pre>public&nbsp;&lt;T extends <a href="../../../com/drew/metadata/Directory.html" title="class in com.drew.metadata">Directory</a>&gt;&nbsp;T&nbsp;getDirectory(java.lang.Class&lt;T&gt;&nbsp;type)</pre>
<div class="block">If this <code>Metadata</code> object contains a <code>Directory</code> of the specified type, it is returned.
 Otherwise <code>null</code> is returned.</div>
<dl><dt><span class="strong">Type Parameters:</span></dt><dd><code>T</code> - the Directory type</dd><dt><span class="strong">Parameters:</span></dt><dd><code>type</code> - the Directory type</dd>
<dt><span class="strong">Returns:</span></dt><dd>a Directory of type T if it exists in this Metadata object, otherwise <code>null</code>.</dd></dl>
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<h4>containsDirectory</h4>
<pre>public&nbsp;boolean&nbsp;containsDirectory(java.lang.Class&lt;? extends <a href="../../../com/drew/metadata/Directory.html" title="class in com.drew.metadata">Directory</a>&gt;&nbsp;type)</pre>
<div class="block">Indicates whether a given directory type has been created in this metadata
 repository.  Directories are created by calling <code>getOrCreateDirectory(Class)</code>.</div>
<dl><dt><span class="strong">Parameters:</span></dt><dd><code>type</code> - the Directory type</dd>
<dt><span class="strong">Returns:</span></dt><dd>true if the metadata directory has been created</dd></dl>
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<pre>public&nbsp;boolean&nbsp;hasErrors()</pre>
<div class="block">Indicates whether any errors were reported during the reading of metadata values.
 This value will be true if Directory.hasErrors() is true for one of the contained Directory objects.</div>
<dl><dt><span class="strong">Returns:</span></dt><dd>whether one of the contained directories has an error</dd></dl>
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